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  • Prothrombin Time (PT)

Prothrombin Time (PT)

Tube Type

Test ID   LAB10672
EPIC Order
  PT-INR
CPT Code(s)   85610
Group/Individual Test   Group
Laboratory   Core Laboratory
Tube Station   30 Routine: 888 STAT
Specimen Routine: 2.7 mL blood/light blue top tube; see Comments
  Pediatric: 1.8 mL blood/pediatric light blue top tube
Stability
Unspun: 4 hours
Room temperature: 24 hours
Refrigerator: NO
Frozen: 14 days
Availability Routine: 24 hr/day
  STAT: YES
Turnaround Time   Stat: 1 hour; Routine: 2 hours
Reference Range Age <6mos: Not defined
  Age >6 mos: 10.3-13.3 secs
  Critical Value: >70 secs
     
Comments Deliver Immediately
Reference Range changes with reagent lot number.

Reviewed by jcayless on April 27, 2017

Note: Reference ranges provided on this web site are for guidance only, and may not reflect the most recent changes. Refer to laboratory reports for current reference data.

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514

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